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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var xiaoMing = {name:"小明",age:2}
        var superXiaoMing = {weight:"1000kg",fly:true}
        var superHero = {
            ... xiaoming,
            ... superXiaoming
        }
        console.log(superHero)
    </script>
</body>
</html>